Skip to main content
U.S. flag

An official website of the United States government

News

Filter Total Items: 3775
Volcano Watch — The Kalapana earthquake of 1975

Volcano Watch — The Kalapana earthquake of 1975

Wednesday, November 29, marks the 20th anniversary of the 1975 Kalapana earthquake, the largest earthquake to strike Hawaii since 1868. Residents were...

Read Article
Volcano Watch — HVO is closed

Volcano Watch — HVO is closed

The U.S. Geological Survey's Hawaiian Volcano Observatory is closed due to the general shutdown of the U.S. government.

Read Article
Volcano Watch — Seismology at the Hawaiian Volcano Observatory

Volcano Watch — Seismology at the Hawaiian Volcano Observatory

Seismology, the science of earthquakes and the mechanical properties of the Earth, is the primary method used to monitor the volcanoes of Hawaii and...

Read Article
Volcano Watch — Hilo's closest encounter with Pele: the 1880-81 Eruption

Volcano Watch — Hilo's closest encounter with Pele: the 1880-81 Eruption

On November 5, 1880, 115 years ago this week, an eruption began on Mauna Loa's northeast rift zone that would eventually send lava closer to Hilo Bay...

Read Article
Volcano Watch — Kīlauea lava status; shoreline hazard

Volcano Watch — Kīlauea lava status; shoreline hazard

The eruption on Kīlauea's East Rift Zone continued without any pauses this past week. The active flows are confined to the eastern side of the...

Read Article
Volcano Watch — Kīlauea eruption status, October 13, 1995

Volcano Watch — Kīlauea eruption status, October 13, 1995

During the past few weeks, we took a break from writing about Kīlauea's East Rift Zone eruption to explore the geological history of the main Hawaiian...

Read Article
Volcano Watch — O‘ahu, Ni‘ihau, and Kaua‘i

Volcano Watch — O‘ahu, Ni‘ihau, and Kaua‘i

In the last few weeks, we have reviewed the eruptive stages of Hawaiian volcanoes and have given brief overviews of the geologic history of Hawai'i...

Read Article
Volcano Watch — Maui Nui, the Bigger Island

Volcano Watch — Maui Nui, the Bigger Island

Last week, we presented a brief history of the island of Hawaii, the largest island in the Hawaiian chain. However, before the island of Hawaii formed...

Read Article
Volcano Watch — Volcanoes of the Big Island

Volcano Watch — Volcanoes of the Big Island

The Island of Hawai'i consists of five coalesced volcanoes, a submarine volcano that has already subsided below sea level, and another, Lō‘ihi...

Read Article
Volcano Watch — Evolution of Hawaiian volcanoes

Volcano Watch — Evolution of Hawaiian volcanoes

The 15 volcanoes that comprise the eight principal Hawaiian Islands are the youngest in a linear chain of about 125 volcanoes that stretches for about...

Read Article
Volcano Watch — Kīlauea eruption status, September 1, 1995

Volcano Watch — Kīlauea eruption status, September 1, 1995

The long-lived eruption on Kīlauea's East Rift Zone took a short break starting Tuesday, August 22. Before the pause in activity, we observed that the...

Read Article
Volcano Watch — Littoral cones

Volcano Watch — Littoral cones

A recent visitor to the Hawaiian Volcano Observatory was involved with the removal of abandoned vehicles from the area surrounding the Sand Hill cone...

Read Article